41
10. Test fit engine to firewall. The required distance
from the front of the firewall to the front of the
prop mount on the engine is
7 1/16”
as shown
below.
9. Use fender washers and lock nuts to secure the
engine to the firewall. Remember to tighten the
bolts in a cross pattern to prevent crushing the
firewall.
Throttle Servo Installation
1. Gather the left and right plywood throttle and
choke servo mounting trays, the throttle and
choke servos and pushrod parts.
◊
1 - Throttle Servo with mounting screws
◊
1 - 3/4” servo arm
◊
1 - 4-40 metal rods, threaded at one end
◊
2 - Ball link assemblies
◊
1 - Brass Spacers
◊
1 4-40 threaded solder coupler
Note:
Servo mounting trays have been supplied for
your convenience. However, we have chosen to
mount the throttle servo into the engine box floor.
This allows for a fast and easy installation and pro-
2. If canister mufflers or tuned pipes are to be used,
install the headers to the engine cylinder heads.
Attach the throttle pushrod to the engine throttle
arm as shown. Layout the location of the throt-
tle servo and throttle pushrod . Ensure the servo
and pushrod do not interfere with the headers.
